projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f7eac6eb RM |
1 | /* @(#)w_hypot.c 5.1 93/09/24 */ |
| 2 | /* | |
| 3 | * ==================================================== | |
| 4 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. | |
| 5 | * | |
| 6 | * Developed at SunPro, a Sun Microsystems, Inc. business. | |
| 7 | * Permission to use, copy, modify, and distribute this | |
| cccda09f | 8 | * software is freely granted, provided that this notice |
| f7eac6eb RM |
9 | * is preserved. |
| 10 | * ==================================================== | |
| 11 | */ | |
| 12 | ||
| f7eac6eb RM |
13 | /* |
| 14 | * wrapper hypot(x,y) | |
| 15 | */ | |
| 16 | ||
| 9d13fb24 | 17 | #include <math.h> |
| 9277c064 | 18 | #include <math_private.h> |
| 813378e9 | 19 | #include <math-svid-compat.h> |
| 9ac44708 | 20 | #include <libm-alias-double.h> |
| f7eac6eb RM |
21 | |
| 22 | ||
| 4f3647e4 | 23 | #if LIBM_SVID_COMPAT |
| 0ac5ae23 UD |
24 | double |
| 25 | __hypot (double x, double y) | |
| f7eac6eb | 26 | { |
| 0ac5ae23 | 27 | double z = __ieee754_hypot(x,y); |
| d81f90cc WD |
28 | if(__builtin_expect(!isfinite(z), 0) |
| 29 | && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_) | |
| 0ac5ae23 UD |
30 | return __kernel_standard(x, y, 4); /* hypot overflow */ |
| 31 | ||
| 32 | return z; | |
| f7eac6eb | 33 | } |
| 9ac44708 | 34 | libm_alias_double (__hypot, hypot) |
| cccda09f | 35 | #endif |